Nissan Juke Service and Repair Manual : Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
DETAILED FLOW
1.INTERVIEW FROM THE CUSTOMER
Clarify customer complaints before inspection. First of all, perform an interview utilizing STC-17, "Diagnostic Work Sheet" and reproduce symptoms as well as fully understand it. Ask customer about his/her complaints carefully. Check symptoms by driving vehicle with customer, if necessary.
CAUTION:
Customers are not professional. Never guess easily like “maybe the customer
means that...,” or
“maybe the customer mentions this symptom”.
>> GO TO 2.
2.CHECK SYMPTOM
Reproduce the symptom that is indicated by the customer, based on the information from the customer obtained by interview. Also check that the symptom is not caused by protection function. Refer to STC-13, "Protection Function".
CAUTION:
When the symptom is caused by normal operation, fully inspect each portion and
obtain the understanding
of customer that the symptom is not caused by a malfunction.
>> GO TO 3.
3.PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis for “EPS”.
Is any DTC detected? YES >> Record or print self-diagnosis results. GO TO 4.
NO >> GO TO 6.
With CONSULT-III
1. Erase self-diagnostic results for “EPS”.
2. Perform DTC confirmation procedures for the error detected system.
NOTE
:
If some DTCs are detected at the same time, determine the order for performing
the diagnosis based on STC-
13, "DTC Inspection Priority Chart".
Is any DTC detected? YES >> GO TO 5.
NO >> Check harness and connectors based on the information obtained by interview. Refer to GI-42, "Intermittent Incident".
5.REPAIR OR REPLACE ERROR-DETECTED PARTS
• Repair or replace error-detected parts.
• Reconnect part or connector after repairing or replacing.
• When DTC is detected, erase self-diagnostic results for “EPS”.
>> GO TO 7.
6.IDENTIFY ERROR-DETECTED SYSTEM BY SYMPTOM DIAGNOSIS
Estimate error-detected system based on symptom diagnosis and perform inspection.
Can the error-detected system be identified?
NO >> Check harness and connectors based on the information obtained by interview. Refer to GI-42, "Intermittent Incident".
7.FINAL CHECK
With CONSULT-III
1. Check the reference value for EPS control unit.
2. Recheck the symptom and check that symptom is not reproduced on the same conditions.
Is the symptom reproduced? YES >> GO TO 3.
NO >> INSPECTION END
Diagnostic Work Sheet
Description
• In general, customers have their own criteria for a problem. Therefore, it is
important to understand the
symptom and status well enough by asking the customer about his/her concerns
carefully. To systemize all
the information for the diagnosis, prepare the interview sheet referring to the
interview points.
• In some cases, multiple conditions that appear simultaneously may cause a DTC to be detected.
Interview sheet sample
Wiring diagram
ELECTRONICALLY CONTROLLED POWER STEERING SYSTEM Wiring Diagram For connector terminal arrangements, harness layouts, and alphabets in a (option abbreviation; if not described in wiring diagram), ...Other materials:
Diagnosis and repair workflow
Gasoline engine models
GASOLINE ENGINE MODELS : Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.PRELIMINARY INSPECTION
Perform the preliminary inspection. Refer to CHG-17, "Inspection Procedure".
Models with battery current sensor>>GO TO 2.
Models without battery current sens ...
For side and rollover collision : When SRS is activated in a collision
CAUTION:
Due to varying models and option levels, not all parts listed in the chart below
apply to all vehicles.
WORK PROCEDURE
1. Before performing any of the following steps, ensure that all vehicle body
and structural repairs have been
completed.
2. Replace the following components:
• ...
Diagnosis and repair workflow
Work Flow
INTRODUCTION
The TCM receives a signal from the vehicle speed sensor, transmission range
switch and provides shift control
or lock-up control via CVT solenoid valves.
The TCM also communicates with the ECM by means of a signal
sent from sensing elements used with the OBD-related p ...